Results 21 to 30 of about 514 (138)

Electromagnetic Quasinormal Modes: A Foundational Framework for Describing Fano Resonances of Extinction Spectra

open access: yesNanophotonics, Volume 15, Issue 9, 13 May 2026.
An ab initio electromagnetic framework links quasinormal modes to Fano resonances in extinction spectra. Analytical expressions for the Fano asymmetry and intensity parameters are derived from overlap integrals, enabling rapid spectral reconstruction and physical interpretation.
Mikhail Bochkarev   +5 more
wiley   +1 more source

Synthetic Aperture Radar (SAR)‐Based Evaluation of Tropical Cyclone Wind Profiles and a Theory‐Based Radius of Maximum Wind Estimation

open access: yesGeophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Accurate wind profiles and radius of maximum wind (Rmax ${R}_{\max }$) are critical for reconstructing realistic tropical cyclones (TCs) to predict extreme ocean conditions, including storm surges and waves. Leveraging the expanding Synthetic Aperture Radar (SAR) database, we conducted the first comprehensive evaluation of commonly used TC ...
Pengcheng Wang   +2 more
wiley   +1 more source

Modélisation et simulation numérique du séchage des bois d’Ayous et d’Ebène. Validation expérimentale

open access: yesRevue des Énergies Renouvelables, 2010
Dans cet article, nous développons un modèle de séchage du bois en nous inspirant de la littérature. Des hypothèses sont ensuite retenues afin de simuler le comportement des bois d’Ayous (Triplochiton scleroxylon) et d’Ebène (Diospyros crassiflora hiern).
M. Simo Tagne, B. Beguide, D. Njomo
doaj  

From Microscale to Nanoscale Shadow Electrochemiluminescence Microscopy

open access: yesAngewandte Chemie, Volume 138, Issue 18, 27 April 2026.
In this research we report on the label‐free shadow electrochemiluminescence (shadow ECL) microscopy of microscale and nanoscale objects. By systematically investigating various influencing factors—including optical configuration, electrode activity, frame averaging, exposure time, and particle arrangement—we further confirm the nano‐imaging potential ...
Xiaodan Gou   +5 more
wiley   +1 more source

Application of High‐Order Direct Flux Reconstruction and Stiffness‐Resilient Time Integration to Simulations of Idealized Atmospheric Flows

open access: yesInternational Journal for Numerical Methods in Fluids, Volume 98, Issue 4, Page 448-468, April 2026.
The proposed work implements a direct flux reconstruction method for spatial discretization and a stiffness‐resilient exponential time integration method for temporal discretization on the cube‐sphere grid. A space‐time tensor formalism is employed to provide a general representation in any curvilinear coordinate system. This combination enables highly
Stéphane Gaudreault   +6 more
wiley   +1 more source

Modélisation d’une électrolyse d’eau à membrane polymère pour la production d’hydrogène

open access: yesRevue des Énergies Renouvelables, 2009
La simulation numérique permet de réduire le coût de développement d’un nouveau matériel. L’objectif de notre travail est de créer un modèle numérique représentatif du fonctionnement d’une cellule d’électrolyse à membrane polymère PEM. Nous avons utilisé
B. Soldi   +3 more
doaj  

Bret/BRAT

open access: yes
Critical Quarterly, EarlyView.
Nicholas Smart
wiley   +1 more source

Energy and carbon footprint considerations for data‐driven weather forecasting models

open access: yesWeather, Volume 81, Issue 4, Page 114-119, April 2026.
Recently introduced data‐driven models often display impressive gains in energy‐efficiency, but such gains usually exclude the cost of training. This study gives orders of magnitude of the energy consumed during the training and compares it to a physics‐based model counterpart. We show that the training is rapidly compensated by the savings made during
Thomas Rieutord   +3 more
wiley   +1 more source

Etude numérique de la convection naturelle au sein d’une cavité carrée avec chauffage et refroidissement variables

open access: yesRevue des Énergies Renouvelables, 2014
Le travail présenté dans ce papier est une suite d’une série de travaux menés pour l’étude numérique de la convection thermosolutale en phase fluide d’une cavité de croissance cristalline de type Bridgman verticale.
S. Manar   +3 more
doaj  

A Parallel, Unstructured-Mesh Methodology for Device-Scale Combustion Calculations Méthodologie parallèle avec maillages destructurés pour des calculs de combustion-effet du nombre de processeurs

open access: yesOil & Gas Science and Technology, 2006
Los Alamos National Laboratories is developing a parallel, unstructured-mesh, finite-volume CFD methodology for the simulation of chemically reactive flows in complex geometries.
O'rourke P. J., Zhang S., Sahota M. S.
doaj   +1 more source

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